{"id":"CVE-2010-4686","aliases":["EUVD-2010-4651","GHSA-7q2f-h8g2-vv4p"],"status":"published","title":"CallManager Express (CME) on Cisco IOS before 15.0(1)XA1 does not properly handle SIP TRUNK...","description":"CallManager Express (CME) on Cisco IOS before 15.0(1)XA1 does not properly handle SIP TRUNK traffic that contains rate bursts and a \"peculiar\" request size, which allows remote attackers to cause a denial of service (memory consumption) by sending this traffic over a long duration, aka Bug ID CSCtb47950.","severity":{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.03118,"percentile":0.8791,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-400"],"published":"2011-01-07T18:00:00Z","modified":"2026-06-16T23:25:20Z","products":[{"vendor":"cisco","product":"ios"}],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/64585","tags":["vdb-entry","x_refsource_XF","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://www.cisco.com/en/US/docs/ios/15_0/15_0x/15_01_XA/rn800xa.pdf","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/45769","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2010-4686"},{"url":"https://github.com/advisories/GHSA-7q2f-h8g2-vv4p"}],"sources":{"cve":[{"id":"CVE-2010-4686","description":"CallManager Express (CME) on Cisco IOS before 15.0(1)XA1 does not properly handle SIP TRUNK traffic that contains rate bursts and a \"peculiar\" request size, which allows remote attackers to cause a denial of service (memory consumption) by sending this traffic over a long duration, aka Bug ID CSCtb47950.","status":"published","published":"2011-01-07T18:00:00Z","modified":"2024-08-07T03:51:18.05Z","updated_at":"2026-11-02T14:33:28.115387Z"}],"euvd":[{"id":"EUVD-2010-4651","description":"CallManager Express (CME) on Cisco IOS before 15.0(1)XA1 does not properly handle SIP TRUNK traffic that contains rate bursts and a \"peculiar\" request size, which allows remote attackers to cause a denial of service (memory consumption) by sending this traffic over a long duration, aka Bug ID CSCtb47950.","status":"published","published":"2011-01-07T18:00:00Z","modified":"2024-08-07T03:51:18Z","updated_at":"2026-11-03T01:39:29.508356Z"}],"ghsa":[{"id":"GHSA-7q2f-h8g2-vv4p","title":"CallManager Express (CME) on Cisco IOS before 15.0(1)XA1 does not properly handle SIP TRUNK...","description":"CallManager Express (CME) on Cisco IOS before 15.0(1)XA1 does not properly handle SIP TRUNK traffic that contains rate bursts and a \"peculiar\" request size, which allows remote attackers to cause a denial of service (memory consumption) by sending this traffic over a long duration, aka Bug ID CSCtb47950.","status":"published","published":"2022-05-13T01:26:36Z","modified":"2023-02-01T05:07:47Z","cwes":["CWE-400"],"updated_at":"2026-11-02T14:50:36.63783Z"}],"nvd":[{"id":"CVE-2010-4686","description":"CallManager Express (CME) on Cisco IOS before 15.0(1)XA1 does not properly handle SIP TRUNK traffic that contains rate bursts and a \"peculiar\" request size, which allows remote attackers to cause a denial of service (memory consumption) by sending this traffic over a long duration, aka Bug ID CSCtb47950.","status":"published","published":"2011-01-07T19:00:20.64Z","modified":"2026-06-16T23:25:20.69Z","cvss":[{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:02:03.297831Z"}]}}